Posted: August 21, 2020 at 9:48 pm TWG Source \’Canary in the coal mine\’: Greenland ice has shrunk beyond return, study finds Greenland\’s ice sheet may have shrunk past the point of return, with the ice likely to melt away no matter how quickly the world reduces climate-warming emissions, new research suggests. Leave a Reply Cancel replyYou must be logged in to post a comment.